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The issue you’re facing is related to flashing the OS on PCIe C0 on the Jetson AGX Orin module. You’ve mentioned that flashing on PCIe C4 works fine, but when you try to flash on C0, the l4tinitrdflash.sh script times out on Step 3.
Firstly, let’s understand the difference between PCIe C0 and C4 on the Jetson AGX Orin module. PCIe C0 is a PCIe x4 slot, while C4 is a PCIe x1 slot. Both slots can be used for storage, but they have different configurations and requirements.
To flash the OS on PCIe C0, you need to ensure that the storage device is properly configured and connected to the C0 slot. The storage type you’re using is a Type-C device, which requires a specific configuration in the device tree.
The flashdtb.txt file you mentioned is used to configure the device tree for the Jetson AGX Orin module. You need to modify this file to enable the PCIe C0 slot and configure it for your storage device.
Here’s a comparison of the device tree configurations for PCIe C0 and C4:
- PCIe C4:
- Device tree configuration:
pcie-controller@10003000 { ... }
- Storage device configuration:
nvme@1 { ... }
- PCIe C0:
- Device tree configuration:
pcie-controller@10000000 { ... }
- Storage device configuration:
nvme@0 { ... }
To enable PCIe C0, you need to modify the flashdtb.txt file to include the following configuration:
pcie-controller@10000000 {
...
num-lanes = <4>;
pci@0 {
...
nvme@0 {
...
}
}
}
Additionally, you need to ensure that the storage device is properly connected to the C0 slot and configured in the device tree.
After modifying the flashdtb.txt file, you can try flashing the OS on PCIe C0 again. If you still encounter issues, you may need to check the storage device configuration and the device tree configuration for any errors or inconsistencies.
In summary, to flash the OS on PCIe C0 on the Jetson AGX Orin module, you need to:
- Modify the
flashdtb.txt file to enable PCIe C0 and configure it for your storage device.
- Ensure that the storage device is properly connected to the C0 slot.
- Check the device tree configuration for any errors or inconsistencies.
By following these steps, you should be able to flash the OS on PCIe C0 successfully.
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